National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Pittsburgh/Butler Regional Airport (KBTP)

Lat: 40.78°NLon: 79.96°WElev: 1248ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Tarentum PA

  • This Afternoon

    This Afternoon: A slight chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.

    High: 88 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 88 °F

    Chance
    T-storms and
    Areas Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before midnight, then a chance of showers after 4am. Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. West wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 65. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.

    Low: 62 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A slight chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 88. Light west wind. Chance of precipitation is 20%.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 68. Calm wind.
Thursday
A chance of showers and thunderstorms, mainly after 3pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 88. Calm wind becoming west 5 to 7 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before midnight, then a chance of showers after 4am. Increasing clouds, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. West wind 5 to 8 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 65. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 40%.
Saturday Night
A chance of thunderstorms before 8pm. Partly cloudy, with a low around 62. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 84.
Sunday Night
Partly cloudy, with a low around 63.
Monday
Mostly sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny and hot, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tarentum PA
 40.59°N 79.76°W (Elev. 1001 ft)
Last Update:
12:31 pm EDT Jul 8, 2026
Forecast Valid:
1pm EDT Jul 8, 2026-6pm EDT Jul 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation